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Found 4 results

  1. hello. I only want to know the first frame when the particle collided. I used the detect node to create a group in popwrangle and saved the frame... but the frame is accumulated. Can't we just get the frame when it collided? Thank you.
  2. Hey there, I have a simple setup where I generate a bunch of particles and let them drop on some spheres. I would like to achieve to change the Color of the Spheres based on hit by a particle. With hitprim I was abled to change the color of primitives of the spheres but I would like to check based on the selected primitiv to select the whole Object. Also I would like once changed from Black to Red to keep the color even after the particle passed through and left the object. And on top of that, if possible to add some delay. So once the particle hit the object it takes like 10-15 Frames till the spheres changes color best with fading to that color (but not sure if that is possible).. Has anyone an idea how to achieve that or is there a different way. I tried with attribute Transfer but couldn't get it to work. I uploaded my current setup: Particle_hit_detection_changecolor_01.hip
  3. Hi; I have a pre-fractured vellum cloth that is fixed in place using these attributes: i@stopped = 1; i@gluetoanimation = 1; I have some particles that collide with this cloth, and they change those attributes to tear cloth pieces at that collision place. The problem is activated cloth pieces never rest, and they pass through each other in some frames. Thanks for helping. Vellum_Particle.hip
  4. Hi everyone, I'm brand new to Houdini 15.5 as of October 2016. I have been learning a great deal in a short time but there's some things I would very much like to figure out for something I'm working on. I'd like to know how to create an effect where a membrane, eg a cell wall, is being broken apart when particles collide with it. I know how to do fractures based on particle collisions and I assume it's a similar process. I'm just not sure how to get that tearing effect you might expect when seeing a membrane lose its surface constraint. I appreciate any help from some of you more expert wizards out there. Thanks in advance!
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